Step up your PC performance with the WD Black SN850X internal solid state drive. This 4TB solid-state drive is built to handle breakneck gaming speeds with minimal stutter and lag, allowing you to enjoy dynamic graphics and intense play sessions. The NVMe PCI-e interface helps you gain maximum performance from your PC's storage and system components. | WD_BLACK SN850X 4TB NVMe PCI-e Internal Solid State Drive (WDBB9G0040BNC-WRSN)